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50000478240 = 25351011317873
BaseRepresentation
bin101110100100010000…
…101100000000100000
311210001121201110122110
4232210100230000200
51304400110300430
634545255435320
73420026024016
oct564420540040
9153047643573
1050000478240
111a228a6a399
129835085b40
13493aba95cb
1425c48168b6
15147993b7b0
hexba442c020

50000478240 has 192 divisors, whose sum is σ = 160295490432. Its totient is φ = 13099008000.

The previous prime is 50000478239. The next prime is 50000478259. The reversal of 50000478240 is 4287400005.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50000478198 and 50000478207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6346944 + ... + 6354816.

It is an arithmetic number, because the mean of its divisors is an integer number (834872346).

Almost surely, 250000478240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50000478240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80147745216).

50000478240 is an abundant number, since it is smaller than the sum of its proper divisors (110295012192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50000478240 is a wasteful number, since it uses less digits than its factorization.

50000478240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123 (or 8115 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

Adding to 50000478240 its reverse (4287400005), we get a palindrome (54287878245).

The spelling of 50000478240 in words is "fifty billion, four hundred seventy-eight thousand, two hundred forty".